<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta http-equiv="X-UA-Compatible" content="IE=edge">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Document</title>
  <style>
    body {
      height: 100vh;
      background-color: black;
      display: flex;
      align-items: center;
      justify-content: center;
    }

    .box {
      background: white;
      width: 100px;
      height: 100px;
      border-radius: 50%;
      box-shadow: 
        0 0 0 10px rgba(200, 200, 200),
        0 0 0 20px rgb(161, 224, 77),
        0 0 0 40px rgb(187, 74, 74),
        0 0 0 60px rgb(129, 48, 48),
        0 0 0 80px rgb(117, 44, 44)
    }

    .rect {
      width: 200px;
      height: 100px;
      background: white;

      margin-left: 200px;
      outline: violet dashed 1px;
      border: 5px solid dodgerblue;
      outline-offset: -10px;
    }
  </style>
</head>
<body>
  <div class="box"></div>
  <div class="rect"></div>
</body>
</html>